23220203120 has 80 divisors (see below), whose sum is σ = 55196279712. Its totient is φ = 9081246720.

The previous prime is 23220203009. The next prime is 23220203137. The reversal of 23220203120 is 2130202232.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1232975 + ... + 1251665.

Almost surely, 2^23220203120 is an apocalyptic number.

23220203120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23220203120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27598139856).

23220203120 is an abundant number, since it is smaller than the sum of its proper divisors (31976076592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23220203120 is a wasteful number, since it uses less digits than its factorization.

23220203120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19050 (or 19044 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 23220203120 its reverse (2130202232), we get a palindrome (25350405352).

The spelling of 23220203120 in words is "twenty-three billion, two hundred twenty million, two hundred three thousand, one hundred twenty".